code: def do_upscale(self, img, selected_model=None):
      return img
  
imports: import os
  from abc import abstractmethod
  import PIL
  from PIL import Image
  import modules.shared
  from modules import modelloader, shared
label_desc: Use image node_id 2 for calling the UpscalerNone obj's underlying member method code with example usage: obj.do_upscale(img, selected_model) and returns: img